#!/usr/bin/env python3

# Copyright (c) 2005-2014 Fpemud <fpemud@sina.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.


import os
import re
import subprocess
from ...._util import Util
from ...._plugin import KernelAddonPlugin


class Plugin(KernelAddonPlugin):

    __url = "mirror://kernel-org-pub/software/network/wireless-regdb"

    __verFile = "wireless-regdb.versions"

    def sync(self, context):
        ver = None
        out = Util.fetchHtmlBinaryData("linux-addon/wireless-regdb", self.__url).decode("iso8859-1")
        for m in re.finditer("wireless-regdb-([0-9]+\\.[0-9]+\\.[0-9]+)\\.tar\\.xz", out, re.M):
            if ver is None or m.group(1) > ver:
                ver = m.group(1)
        if ver is None:
            raise self.SyncError("can not get version information")

        with context.distfiles_open_for_write(self.__verFile) as f:
            f.write(ver + "\n")

    def list_versions(self, context):
        return Util.readListFile(context.distfiles_get(self.__verFile))

    def list_distfiles(self, context):
        return [context.distfiles_fn(self._localFn(x)) for x in context.versions]

    def fetch(self, context):
        for version in context.versions:
            context.distfiles_download(os.path.join(self.__url, self._localFn(version)))

    def unpack(self, context):
        localFullfn = context.distfiles_get(self._localFn(context.version))
        subprocess.check_call(["tar", "-x", "-J", "--strip-components=1", "-f", localFullfn])

    def install(self, context):
        context.install_extra_firmware_file("regulatory.db", "regulatory.db")
        context.install_extra_firmware_file("regulatory.db.p7s", "regulatory.db.p7s")

    def _localFn(self, version):
        return "wireless-regdb-%s.tar.xz" % (version)
